You may have a proxy in your network that has to be used. Since this seems to be Windows: Please see the R for Windows FAQs for more information.

Best wishes,
Uwe



On 01.09.2010 19:43, Lenart, Joseph wrote:
Hello,

I was wondering if anyone has run across this problem in the past and might be 
able to suggest a solution.

I did a review of the FAQ's link trying to find a topic that closely related to 
the experience I was having, however I didn't see
anything that might help in diagnosing the problem.

While invoking the options under the "package" menu I get the following errors:

chooseCRANmirror()
Warning message:
In open.connection(con, "r") : cannot open: HTTP status was '0 (nil)'
setRepositories()
update.packages(ask='graphics')
Warning: unable to access index for repository 
http://www.ibiblio.org/pub/languages/R/CRAN/bin/windows/contrib/2.11
Warning: unable to access index for repository 
http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.11
utils:::menuInstallPkgs()
Warning: unable to access index for repository 
http://www.ibiblio.org/pub/languages/R/CRAN/bin/windows/contrib/2.11
Warning: unable to access index for repository 
http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.11
Error in install.packages(NULL, .libPaths()[1L], dependencies = NA, type = 
type) :
   no packages were specified
setRepositories()

Does anyone have any insights into what might cause this issue, and how I might 
fix the problem?
Any thoughts you may have would be greatly appreciated.

Thanks in advance - Joe Lenart

p.s. -  I have confirmed that I can access the mirror sites using a regular 
browser, so I do not believe this to be a security
or firewall-related issue.

Ad Astra...
Joseph P. Lenart

Capacity Management Unit - Non Mainframe
THE AETNA
151 Farmington Ave.  Mailstop: ASA1
Hartford, CT 06156
Phone - 860-273-7085  Fax - 860-273-5053

"If you hear a voice within you say, 'You cannot paint,' then by all means paint and 
that voice will be silenced."
- Vincent van Gogh




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